视频地址：https://video.cache.bdschool.cn/vd/55a859d8f83d8b8291c3b901b77660b8.mp4
附件：0509初一英语（人教版）-Unit 4 Don't eat in class. Period 1-1教案.docx
附件：0509初一英语（人教版）-Unit 4 Don't eat in class. Period 1-2PPT课件.pptx
附件：0509初一英语（人教版）-Unit 4 Don't eat in class. Period 1-3学习任务单.docx
